aruka_(alka_p1), highres, 1girl, ahoge, black_sailor_collar, black_skirt, blue_eyes, blush, buttons, cloud, cloudy_sky, day, hair_between_eyes, long_hair, long_sleeves, mop, open_mouth, outdoors, pleated_skirt, rainbow, sailor_collar, sailor_shirt, shirt, skirt, sky, solo, water_drop, wet, wet_clothes, wet_shirt, white_hair, white_shirt, hibiki_(kancolle), verniy_(kancolle), kantai_collection, year_2021, 